Software Services
SMTP
(Simple Mail Transfer Protocol) The main protocol used to send electronic mail from server to server on the Internet.
HTTP
Hypertext Transfer Protocol which is used to format and transfer web content around the Internet.
A few popular and free applications that use XMPP are
Pidgin and Padium.
IRC was widely used in the 1990s as a way to facilitate
all kinds of chats, group chats, individual chats, and more. It's not as widely used today, given the wave of social media instant chat messages
Whatever software you provide, there are different things to consider when using it in a commercial setting that might not have crossed your mind when
you've used a similar software personally.
Certificate Authority
A third party that acts as a trusted intermediary between computers (and companies) by issuing digital certificates and verifying the worth and integrity of the certificates. grants a certificate to your website saying that it trusts that you control the web server. And verifies that you are who you say you are. Once it does that, you can install the certificate on your web server.
What are some of the features of POP3
After it downloads email from email server onto your device it then deletes the email from the email server. If you want to retrieve your email through POP3, you can only view it from one device.
XMPP
Extensible Messaging and Presence Protocol One of the most popular communications protocol an open source protocol used in instant messaging applications and social networking services.
In a private setting you can use what for instant communications
Facebook Messenger on your smartphones to chat with your friends. Among others.
HTTPS is also referred to as
HTTP over TLS or HTTP over SSL.
HTTPS
Hypertext Transfer Protocol Secure. Encrypts HTTP traffic with SSL or TLS using port 443. It makes sure the communication your web browser has with the website is secured through encryption.
IRC operates in a client and server model, so lots of
IRC client software can be used to connect an IRC server
There are a few reasons why you might want to use POP3 to get your email.
If you need to keep your email storage under a certain quota, POP3 is a good way to maintain that storage limitation. Another benefit of POP3 is privacy. Your email can only be seen from your local device.
IMAP
Internet Message Access Protocol allows you to download emails from your email server onto multiple devices. It keeps your messages on the email server. This email protocol is one of the more popular ways to retrieve email.
IRC
Internet Relay Chat
Secure Socket Layer protocol, or SSL.
It's a way of securing communication between a web server and client. t's pretty old and insecure, so it's been deprecated in favor of TLS. You may still see it today being used over the TLS protocol like SSL/TLS. In fact, SSL version 3.0, was essentially TLS version 1.0.
There are different DNS records. Which one is used for email?
MX, for the mail exchange record.
Whatever option you choose, you'll have to understand the differences between email protocols when you setup your email accounts. What are some of the common protocols?
POP3, IMAP, and SMTP.
POP3
Post Office Protocol 3 is an email protocol that downloads email from an email server onto your local device. It then deletes the email from the email server.
TLS's new features and updates have made it more secure than
SSL
There are two ways to set up email for a company.
The first is to run your own managed server. An alternative approach to setting up your own email service is to use an email service provider, like Google Suite.
email service provider, like Google Suite. What does an email service do for you?
These service providers allow you to create email inboxes and more by paying a monthly fee for every user in your organization.
Paid for options are another method of instant communication. What are the advantages of Paid for options?
They are a lot more sophisticated and advanced chat applications out there that offer Enterprise support.
Why is HTTP of TLS or HTTP over SSL referred to
This is because there are two protocols that enables us to make our web servers secure.
What is an advantage of an email service?
This ties you into the Gmail webmail client, and allows you to access your email from anywhere, as long as you're connected to the Internet.
Email server setup can be one of the most complicated service to setup for a sysadmin. Why?
You have to get the email to actually work, protect your email addresses from spam, filter out viruses and more.
Software services
are the services that employees use that allow them to do their daily job functions. example: can include applications like word processors, Internet browsers, email clients, chat clients and so on.
open IM protocols
are widely used and integrated into different communication applications.
If you ever manage a web server that serves content to other users, you want to let them know that when they access your website, you're keeping their interaction with you
as secure as possible
Security is super important to all organizations. It's integrated into pretty much all
aspects of an IT infrastructure service.
When you enter in a URL, you notice that HTTP comes
before everything else.
Software used as a consumer won't be the same as software used as a
business
We can have multiple conversations with different people in real time using
chat applications
When you use software, you're doing so under the agreement of the
developer's license.
Why are platform services useful?
developers don't have to deal with operating system maintenance and other services that are needed to use for the platform tools.
One communication service that you're almost guaranteed to use today is
In an enterprise setting, it's important for a sysadmin, or a sole IT support specialist, to be able to configure
email services for the company.
In a business setting, there are similar methods of instant communication.
first is Internet Relay Chat or IRC, which is a protocol that's used for chat messages.
if you're considering setting up an IRC, it is
free alternative to other chat applications.
If someone leaves the company or doesn't need the software anymore, you can take their license and
give it to someone else in the company
there are lots of different security protocols that are put in place for all sorts of things, like
keeping data encrypted, authentication, etc.
When considering software licenses, it's important to review the terms and agreement, then
move forward with whatever option works best for your company.
Instant communication has drastically changed how we communicate in both our
personal lives and in the workplace.
Platform services
provide a platform for developers to code, build and manage software applications.
You might have to deal with some of the same stipulations and also think through whether to
purchase added features for businesses and enterprises, like dedicated customer support.
In a business or commercial setting, most software distributors will have a
separate agreement In most cases, you can buy ten licenses, and any ten people in your company can use it.
When software is used as a consumer, agreements can say that only a
specific person can use the software
when you use open source software, the license agreement usually says
that it's free to use, share, and modify.
To set up email services you need to have a domain name set up for your company that you can
use as your email domain, like [email protected].
security services
which add a layer of security protection to our IT infrastructure
communication services
which enable employees in a company to talk to one another.
Transport Layer Security protocol, or TLS,
which is the most popular way to keep communications secure over a network. widely used to keep web browsing secure, but it can be used in a lot of other applications, too.
When running your own managed mail server you set up the email service software on a server, then
you create a DNS record for your mail server.
if you're managing an organization's website on a server, how do you enable TLS on the server so that the site can be using HTTPS?
you need to get a digital certificate of trust from an entity called a certificate authority.
